MATLAB MCQ Test 1

1. What is the default extension for a MATLAB script file?

2. In MATLAB, how do you check if a number is a prime number?

3. What does the 'length' function in MATLAB return?

4. Which command is used to clear all variables from the MATLAB workspace?

5. How do you create a cell array in MATLAB?

6. What is the primary purpose of the 'subplot' function in MATLAB?

7. Which MATLAB function is used for creating a plot?

8. In MATLAB, what does the 'for' loop primarily iterate over?

9. What does the 'svd' function do in MATLAB?

10. What does the 'rand' function in MATLAB do?

11. In MATLAB, how do you comment a single line of code?

12. What is the 'conv' function used for in MATLAB?

13. What is the MATLAB command for finding the maximum value in an array 'A'?

14. What is the purpose of the 'linspace' function in MATLAB?

15. In MATLAB, how do you check the equality of two arrays?

16. How can you create a user-defined function in MATLAB?

17. What is the purpose of the 'polyfit' function in MATLAB?

18. What does the 'fliplr' function do in MATLAB?

19. In MATLAB, how do you find the index of the maximum value in an array?

20. Which command is used to exit MATLAB?

21. Which MATLAB command is used to clear the command window?

22. Explain the difference between 'zeros' and 'ones' functions in MATLAB.

23. What is the purpose of the 'subplot' function in MATLAB?

24. What is the default color for plot lines in MATLAB?

25. How do you comment a single line in MATLAB?

26. Which MATLAB function is used for plotting graphs?

27. Which MATLAB function is used for finding the cumulative sum of elements in an array 'A'?

28. What is the main purpose of the 'zeros' function in MATLAB?

29. In MATLAB, what does the 'randn' function generate?

30. Which MATLAB function is used for calculating the fast Fourier transform (FFT) of a signal?

31. How do you define a structure in MATLAB?

32. In MATLAB, what does the 'polyfit' function do?

33. What is the primary use of the 'ode45' function in MATLAB?

34. What is the purpose of the 'fprintf' function in MATLAB?

35. How do you set the axis limits in a MATLAB plot?

36. What is the 'cumsum' function used for in MATLAB?

37. How do you extract specific elements from an array based on a condition in MATLAB?

38. Which command is used to display the contents of a variable in MATLAB?

39. What is the purpose of the 'meshgrid' function in MATLAB?

40. What does the 'exist' function in MATLAB check?

41. What does the 'eye' function in MATLAB do?

42. Which MATLAB operator is used for logical AND?

43. How do you create a colormap in MATLAB?

44. How do you perform element-wise multiplication of two matrices in MATLAB?

45. How do you create a row vector in MATLAB?

46. How do you execute a 'try...catch' block in MATLAB?

47. What does the 'clc' command do in MATLAB?

48. How can you check the size of a matrix 'A' in MATLAB?

49. Which function is used to read data from a file in MATLAB?

50. How do you define a matrix in MATLAB?